Note: Free 3 days Trial automatically activated on checkout.

TrialFlow – Free Trials & Delayed Billing for WHMCS by NovaAddons

Add flexible free trials and delayed billing workflows directly to your WHMCS products while keeping invoice and suspension automation under control.

TrialFlow Free Trial & Delayed Billing Manager helps WHMCS businesses offer trial-based services without relying on manual billing workarounds. Configure trial periods, delayed invoicing, suspension handling and customer-facing trial messaging directly for selected products.

Key Features

Automatic trial activation after checkout
Product-specific trial configuration
Delayed first billing
Automatic trial-to-paid workflow
Per-product invoice handling
Per-product suspension handling
Addon Managed, WHMCS Automation and Disabled workflow modes
Configurable invoice timing
Free-trial enable/remove control
Multiple customer-friendly trial messages
Dynamic pricing updates without unnecessary page reloads
Works alongside existing WHMCS products and provisioning modules
Supports trial and standard billing products in the same WHMCS installation

Flexible Product-Level Control

TrialFlow allows different products to use different billing and suspension workflows. Trial-enabled products can follow the TrialFlow automation, while other products can continue using standard WHMCS billing and suspension processes.

Ideal For

Web hosting
VPS and cloud services
RDP services
SaaS applications
Software subscriptions
Managed services
Demo and evaluation accounts

Requirements

Working WHMCS installation
WHMCS cron/automation configured correctly
Compatible provisioning module where automatic service provisioning is required

Give Customers a Trial Without Losing Billing Control

NovaAddons TrialFlow automatically activates an eligible service with a 3-day free trial when the customer completes checkout, while giving administrators full control over delayed billing, invoicing, suspension and trial-to-paid conversion.

There are no reviews yet!

Be the first to review Free Trials & Delayed Billing for WHMCS.

Version Compatibility

Compatible with WHMCS v9.0

Full Version Compatibility

Selected versions of WHMCS v9.0
9.0.0 - 9.0.6
Selected versions of WHMCS v8.13
8.13.0 - 8.13.5

Support for this product

The best place to start if you need help with a specific product is to contact the developer. All WHMCS Marketplace developers have both a website and support URL listed.

Visit Website Contact Support

Developed By NovaAddons

Changelog

v1.4.0 Released October 9th, 2026

Latest Version

Modern Trial Interface: Redesigned Free Trial and Regular Billing cards with consistent typography, pricing alignment, and improved currency formatting.
Cleaner Checkout Experience: Trial information and controls now appear exclusively on the Product Configuration page, keeping checkout and payment pages clean and uninterrupted.
Improved Billing Switching: Enhanced switching between Free Trial and Regular Billing with accurate price updates and smoother handling.
Checkout & Pricing Fixes: Resolved duplicate trial banners, incorrect order summaries, currency spacing issues, and inconsistent pricing displays.
Enhanced Trial Protection: Improved trial eligibility validation, trial limit enforcement, and repeat-trial prevention.
Reliable Billing & Invoicing: Improved delayed billing, invoice synchronization, payment conversion, and recovery handling.
Interactive Admin Dashboard: Dashboard statistics and attention indicators now link directly to relevant filtered records for easier management.
Responsive Issued Trials: Fixed table alignment, status badges, column overflow, and hidden action buttons. Improved mobile layouts and Reset Limit control accessibility.
Expanded Language Support: Added client-area translations for 28 languages, automatic language detection, and RTL compatibility.
Theme & Mobile Improvements: Enhanced responsive layouts, visual consistency, and light/dark theme compatibility.
Stability & Compatibility: Additional validation, checkout safeguards, and general reliability improvements.

Previous Versions

v1.3.0 Released September 7th, 2026

View/hide detailed changelog

Added light/dark mode support and improved Lagom theme compatibility.
Improved trial-selection switches, billing-cycle controls and cart price updates.
Fixed payment conversion and recovery for multiple trial services on one invoice.
Improved overdue processing, invoice-date handling and protection against duplicate provisioning.
Strengthened checkout validation, invoice safety and mobile accessibility

v1.2.2 Released August 10th, 2026